Dust removal device for bentonite production
By designing an automated dust removal device for bentonite production, and using a dust removal mechanism and sensors to control the motor rotation, the problem of tedious manual cleaning in existing technologies has been solved, achieving efficient automated dust removal and reducing labor costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TONGLING HUIFENG HIGH EFFICIENCY BENTONITE CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-05-01
AI Technical Summary
Existing dust removal equipment in bentonite production has a low degree of automation and requires regular manual cleaning, resulting in high labor costs and cumbersome operation.
A dust removal device was designed, comprising a dust collection cylinder, a dust collection bag, a dust discharge mechanism, a pressure sensor, a PLC, and a timer. The device automatically discharges dust by controlling the rotation of the motor and baffles, and cleans the dust collection bag by combining a pulse solenoid valve and a compressed air manifold.
It has achieved automated dust removal in the bentonite production process, reduced labor costs, simplified the dust discharge process, and improved dust removal efficiency and automation.
Smart Images

Figure CN224180478U_ABST
Abstract
Description
A dust removal device for bentonite production Technical Field
[0001] This utility model relates to the technical field of dust removal devices, specifically a dust removal device for bentonite production. Background Technology
[0002] Bentonite is a non-metallic mineral with montmorillonite as its main mineral component. The montmorillonite structure is a 2:1 crystal structure consisting of two silicon-oxygen tetrahedra sandwiching a layer of aluminum-oxygen octahedra. Due to the presence of certain cations such as Cu, Mg, Na, and K in the layered structure formed by the montmorillonite unit cells, and the unstable interaction between these cations and the montmorillonite unit cells, it is easily exchanged by other cations, thus exhibiting good ion exchange properties. It has been applied in more than 100 sectors across 24 fields of industrial and agricultural production abroad, with more than 300 products, hence the name "universal clay".
[0003] A search revealed an existing patent (publication number: CN210251585U) that discloses a dust removal device for bentonite powder production. The device includes a housing, an outlet pipe, a cover, a pulse dust removal mechanism, a dust collection frame, an inlet pipe, a dust collector bag, a fixing block, a support frame, a motor, stirring blades, support legs, a dust collection frame, an insert block, an insert strip, a locking block, a spring, and a top block. The outlet pipe is connected to the left side of the housing, the cover is installed on the top of the housing, the pulse dust removal mechanism is installed on the right side of the housing, the dust collection frame is fixedly connected to the bottom of the housing, the inlet pipe is connected to the right side of the dust collection frame, a dust collector bag is installed inside the housing, a fixing block is fixedly connected to the inner wall of the dust collection frame, and a support frame is fixedly connected to the end of the fixing block away from the dust collection frame. This dust removal device for bentonite powder production achieves the purpose of convenient cleaning of collected dust, allowing for faster dust collection and cleaning.
[0004] The dust is discharged from the front part of the dust collection frame by manually removing the dust collection frame. This requires regular inspections to prevent excessive dust accumulation, and manual disassembly and installation are cumbersome. This results in low automation and requires a large amount of labor costs. Summary of the Invention
[0005] To address the shortcomings of existing technologies, this utility model provides a dust removal device for bentonite production, which solves the problems mentioned in the background section.
[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a dust removal device for bentonite production, including a dust collection cylinder, a fixing plate fixed inside the dust collection cylinder, a plurality of through holes being opened at the top of the fixing plate, a plurality of dust collection bags being fixed at the bottom of the fixing plate, an inlet pipe and an outlet pipe being fixed on the outer wall of the dust collection cylinder, and a dust discharge mechanism being provided at the bottom of the dust collection cylinder;
[0007] The dust removal mechanism includes a circular shell, a rotating rod rotatably connected inside the circular shell, two baffles fixed on the outer side wall of the rotating rod, a vent at the bottom of the circular shell, a motor fixed at the top of the circular shell, the output shaft of the motor passing through the circular shell and fixedly connected to the top of the rotating rod, a threaded cylinder fixed at the top of the circular shell, and the inner side wall of the threaded cylinder being screwed to the lower side wall of the outer side wall of the dust collection cylinder.
[0008] Preferably, a connecting pipe is fixed inside the vacuum cleaner, a connecting pipe network is fixed to the left end of the connecting pipe, a plurality of connecting pipes are fixed to the outer wall of the connecting pipe network, an air outlet is fixed to the bottom of the connecting pipe, a compressed air manifold is fixed to the other end of the connecting pipe, a pulse solenoid valve is fixed to the outer wall of the connecting pipe, a support plate is fixed to the bottom of the compressed air manifold, and the support plate is fixedly connected to the outer wall of the vacuum cleaner.
[0009] Preferably, a ventilation pipe is fixed to the left end of the air outlet pipe, and a fan is fixed to the other end of the ventilation pipe.
[0010] Preferably, a fixed shell is fixed to the bottom of the circular shell, and a stacking plate is provided inside the fixed shell. Multiple pressure sensors are fixed inside the fixed shell, and the bottom of the stacking plate and the top of the pressure sensors are fixedly connected.
[0011] Preferably, a PLC is fixed inside the fixed shell, and an opening is formed at the bottom of the circular shell above the fixed shell, with the stacking plate located inside the opening.
[0012] Preferably, the outer wall of the stacking plate and the inner wall of the opening are in contact.
[0013] Preferably, a timer is fixed inside the fixed housing in front of the PLC.
[0014] Beneficial effects
[0015] This invention provides a dust removal device for bentonite production. Compared with the prior art, it has the following advantages:
[0016] 1. The dust removal device for bentonite production uses a dust discharge mechanism. Dust enters through the feed pipe, and air passes through the dust collector bags. The dust is intercepted by the dust collector bags, and larger particles fall downwards into the interior of the cylindrical shell. After accumulating for a period of time or until the weight is reached, the motor is started. The motor drives the rotating rod and baffle to rotate clockwise. The baffle pushes the accumulated dust particles, which then fall through the outlet and enter the collection device. The rotating rod and baffle rotate 180 degrees to completely discharge the dust particles. This method of material discharge is simple and convenient.
[0017] 2. The dust removal device for bentonite production uses a pressure sensor, a stacking plate, and a PLC. After dust falls into the interior of the cylindrical shell, it accumulates on the stacking plate. The pressure sensor detects the weight on the stacking plate. When the set weight is reached, the pressure sensor sends a signal to the PLC, which starts the motor. The motor drives the rotating rod and the baffle to rotate, thus automatically removing dust. Attached Figure Description
[0018] Figure 1 is a schematic diagram of the structure of this utility model;
[0019] Figure 2 is a cross-sectional view of the dust collection cylinder in this utility model;
[0020] Figure 3 is a cross-sectional view of the circular shell in this utility model;
[0021] Figure 4 is a schematic diagram of the structure of the fixed shell in this utility model;
[0022] Figure 5 is a bottom view of the circular shell structure in this utility model.
[0023] In the diagram: 1. Ventilation duct; 2. Fan; 3. Dust removal mechanism; 301. Stacking plate; 302. Fixed shell; 303. Baffle; 304. Exit; 305. Rotating rod; 306. Round shell; 307. Motor; 308. Threaded cylinder; 309. Pressure sensor; 310. PLC; 311. Timer; 312. Opening; 4. Feed pipe; 5. Support plate; 6. Compressed air tank; 7. Connecting pipe; 8. Pulse solenoid valve; 9. Dust collection cylinder; 10. Air outlet duct; 11. Dust collector bag; 12. Fixed plate; 13. Connecting pipe; 14. Connecting pipe network; 15. Perforation; 16. Air outlet nozzle. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please refer to Figures 1-5. This utility model provides a technical solution: a dust removal device for bentonite production, including a dust collection cylinder 9. A fixing plate 12 is fixed inside the dust collection cylinder 9. The top of the fixing plate 12 has multiple through holes 15. The bottom of the fixing plate 12 has multiple dust collection bags 11. The outer wall of the dust collection cylinder 9 has an inlet pipe 4 and an outlet pipe 10. The bottom of the dust collection cylinder 9 is provided with a dust discharge mechanism 3. The dust discharge mechanism 3 includes a circular shell 306. A rotating rod 305 is rotatably connected inside the circular shell 306. Two baffles 303 are fixed on the outer wall of the rotating rod 305. The bottom of the circular shell 306 has a drain 304. A motor 307 is fixed on the top of the circular shell 306. The output shaft of the motor 307 passes through the circular shell 306 and is fixedly connected to the top of the rotating rod 305. A threaded cylinder 308 is fixed on the top of the circular shell 306. The inner wall of the threaded cylinder 308 is screwed to the lower part of the outer wall of the dust collection cylinder 9, so that the accumulated dust can be discharged conveniently.
[0026] Preferably, a connecting pipe 7 is fixed inside the dust collection cylinder 9, a connecting pipe network 14 is fixed to the left end of the connecting pipe 7, a plurality of connecting pipes 13 are fixed to the outer wall of the connecting pipe network 14, an air outlet 16 is fixed to the bottom of the connecting pipe 13, a compressed air manifold 6 is fixed to the other end of the connecting pipe 7, a pulse solenoid valve 8 is fixed to the outer wall of the connecting pipe 7, a support plate 5 is fixed to the bottom of the compressed air manifold 6, and the support plate 5 is fixedly connected to the outer wall of the dust collection cylinder 9, so that the dust collection bag 11 can be cleaned.
[0027] Preferably, a ventilation pipe 1 is fixed to the left end of the air outlet pipe 10, and a fan 2 is fixed to the other end of the ventilation pipe 1, so that negative pressure can be generated to suck up dust.
[0028] Preferably, a fixed shell 302 is fixed to the bottom of the circular shell 306. An accumulation plate 301 is provided inside the fixed shell 302. Multiple pressure sensors 309 are fixed inside the fixed shell 302. The bottom of the accumulation plate 301 and the top of the pressure sensors 309 are fixedly connected. A PLC 310 is fixed inside the fixed shell 302. An opening 312 is opened at the bottom of the circular shell 306 above the fixed shell 302. The accumulation plate 301 is located inside the opening 312, so that the rotation of the motor 307 can be automatically controlled.
[0029] Preferably, the outer wall of the stacking plate 301 and the inner wall of the opening 312 are fitted together to prevent dust from leaking down.
[0030] Preferably, a timer 311 is fixed inside the housing 302 in front of the PLC 310, so that the dust collector bag 11 can be cleaned periodically.
[0031] During operation, fan 2 is started, and feed pipe 4 generates suction, drawing dust into the feed pipe 4. Air passes through dust collector bags 11, where the dust is intercepted. Larger particles fall downwards and enter the interior of the cylindrical shell 306. After a period of dust collection, timer 311 sends a signal to PLC 310, which activates pulse solenoid valve 8. This compresses gas into the dust collector bags 11, causing them to bulge and vibrate. Dust on the outside of the dust collector bags 11 falls downwards and into the cylindrical shell 306. The dust particles accumulate inside the container on the stacking plate 301. Once the set weight and time are reached, the pressure sensor 309 and the timer 311 send signals to the PLC 310. The PLC 310 starts the motor 307, which rotates clockwise with the rotating rod 305 and the baffle 303. The baffle 303 pushes the accumulated dust particles, which then fall through the drain 304 and enter the collection device. The rotating rod 305 rotates 180 degrees with the baffle 303 to completely discharge the dust particles. This automatic dust removal is simple and convenient.
[0032] The PLC used is a Siemens S7-200smartPLC. The PLC operates on the principle of infinite loop scanning, continuously monitoring input signals and executing corresponding output operations according to preset program logic. The PLC receives input signals from switches and sensors, makes decisions and judgments based on its internally stored program, and then automates the operation of machines and processes through control outputs.
[0033] The timer uses a Mitsubishi T246 PLC. Its working principle is based on generating periodic pulses from a stable clock signal source (such as a crystal oscillator). A counter accumulates or decrements these pulses, and when the count reaches a preset threshold, an interrupt or output signal is triggered, thus achieving precise timing. This process typically involves a frequency divider adjusting the frequency, a register storing the set value, and control logic managing the state.
[0034] The pressure sensor uses a BCM-H3 stainless steel pressure sensor from Bengchuan. The pressure sensor utilizes the piezoresistive effect, where the resistance of a material (such as a semiconductor or metal strain gauge) changes when it is compressed. Pressure acts on the sensitive element (such as a silicon diaphragm), causing the strain gauge to deform. This change in resistance is converted into a voltage signal via a Wheatstone bridge circuit.
[0035] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A dust removal device for bentonite production, comprising a dust collection cylinder (9), characterized in that: The dust collection cylinder (9) has a fixed plate (12) inside. The top of the fixed plate (12) has multiple through holes (15) running vertically through it. The bottom of the fixed plate (12) has multiple dust collection bags (11) fixed. The outer wall of the dust collection cylinder (9) has an inlet pipe (4) and an outlet pipe (10) fixed. The bottom of the dust collection cylinder (9) has a dust removal mechanism (3). The dust removal mechanism (3) includes a cylindrical shell (306). A rotating rod (305) is rotatably connected inside the cylindrical shell (306). The outer side wall of the rotating rod (305) is fixed with two baffles (303), the bottom of the round shell (306) is provided with a vent (304), the top of the round shell (306) is fixed with a motor (307), the output shaft of the motor (307) passes through the round shell (306) and the top of the rotating rod (305) and is fixedly connected, the top of the round shell (306) is fixed with a threaded cylinder (308), and the inner side wall of the threaded cylinder (308) is screwed to the lower side of the outer side wall of the dust collection cylinder (9).
2. The dust removal device for bentonite production according to claim 1, characterized in that: The vacuum cleaner (9) has a connecting pipe (7) fixed inside. A connecting pipe network (14) is fixed to the left end of the connecting pipe (7). Multiple connecting pipes (13) are fixed to the outer wall of the connecting pipe network (14). An air outlet (16) is fixed to the bottom of the connecting pipe (13). A compressed air manifold (6) is fixed to the other end of the connecting pipe (7). A pulse solenoid valve (8) is fixed to the outer wall of the connecting pipe (7). A support plate (5) is fixed to the bottom of the compressed air manifold (6). The support plate (5) is fixedly connected to the outer wall of the vacuum cleaner (9).
3. A dust removal device for bentonite production according to claim 2, characterized in that: The left end of the air outlet pipe (10) is fixed with a ventilation pipe (1), and the other end of the ventilation pipe (1) is fixed with a fan (2).
4. A dust removal device for bentonite production according to claim 3, characterized in that: The bottom of the circular shell (306) is fixed with a fixed shell (302), and the interior of the fixed shell (302) is provided with a stacking plate (301). Multiple pressure sensors (309) are fixed inside the fixed shell (302), and the bottom of the stacking plate (301) and the top of the pressure sensor (309) are fixedly connected.
5. A dust removal device for bentonite production according to claim 4, characterized in that: A PLC (310) is fixed inside the fixed shell (302). The bottom of the round shell (306) is provided with an opening (312) above the fixed shell (302). The stacking plate (301) is located inside the opening (312).
6. A dust removal device for bentonite production according to claim 5, characterized in that: The outer wall of the stacking plate (301) and the inner wall of the opening (312) are in contact.
7. A dust removal device for bentonite production according to claim 6, characterized in that: The timer (311) is fixed inside the fixed housing (302) in front of the PLC (310).
Citation Information
Patent Citations
Dust removal device for bentonite powder production
CN210251585U